in the bottom right in the buildings tab there is a monster locker. if you have built one and cant find it then have a good look for a building with a key in it
Unlock them in the Monster Locker then use a Hatchery.
just click on your monster locker then open.choose the monster that you would like to unlock and click UNLOCK.in order to unlock a monster you should have enough putty for it.
By using the hatchery. Click on the monsters you want to produce, and wait for the monsters to be produced. You must unlock monsters first from the monster locker in order to enable monster production, or you will be stuck with pokeys for the rest of your life.
Go to quests and follow the monster quests. The game will tell you what buildings to build and in what order. You train the ability to make a monster in the "Monster Locker" then you build monsters in the "Hatcher." It costs lots of puddy to train and then lots of goo to build.
There is no monster bunker on backyard monsters!
Just build a "MONSTER JUICER"
You can kill the monsters in the bunker, or if you have a monster juicer you can recycle them for goo.
pasword backyard monster hack tool
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You upgrade your town hall to lvl 3 and your monster locker to lvl 2
Backyard Monster is still a beta...so they change the bunker or remove it
The Monster cage (champion cage) is in the buildings menu.